6865916205 has 8 divisors (see below), whose sum is σ = 10985465952. Its totient is φ = 3661821968.

The previous prime is 6865916159. The next prime is 6865916207. The reversal of 6865916205 is 5026195686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6865916205 - 2⁷ = 6865916077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6865916207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228863859 + ... + 228863888.

It is an arithmetic number, because the mean of its divisors is an integer number (1373183244).

Almost surely, 2^6865916205 is an apocalyptic number.

It is an amenable number.

6865916205 is a deficient number, since it is larger than the sum of its proper divisors (4119549747).

6865916205 is a wasteful number, since it uses less digits than its factorization.

6865916205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457727755.

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 6865916205 is about 82860.8243079925. The cubic root of 6865916205 is about 1900.6384008931.

The spelling of 6865916205 in words is "six billion, eight hundred sixty-five million, nine hundred sixteen thousand, two hundred five".